Exam Practice Questions Flashcards
Practice Questions throughout biology
Chromosomes are copied in the cell cycle. Where are chromosomes found? (1 mark) > choose from: cytoplasm, nucleus, ribosomes and vacuole
In the nucleus
What is the name of a section of a chromosome that controls a characteristic? (1 mark)
DNA
During mitosis cells need extra energy. Which cell structures provide most of this energy? Choose from: Chromosomes, Mitochondria, Cytoplasm + Ribosomes
Mitochondria
Why is mitosis important in living organisms? To produce gametes, to produce variation, to repair tissues or release energy?
to repair tissues
Why do cells in plant roots not photosynthesise?
Because they are underground (in the soil), thus out of the reach of the sun
How does an unspecialised cell become a new root hair cell? From Transpiration, transport, metabolism or differentiation?
Differentiaion